After installing Windows 8 RTM, I was facing an issue that says "Windows can't activate right now. Try activating Windows later". I tried it multiple times but couldn't figure out what was the actual issue here.

Later @LBugnion shared me the trick to resolve this issue which I am going to share here in my blog, so that you can find it useful.

After installing Windows 8 RTM, you may probably face an issue while activating your Windows OS which will say the following:

Windows can't activate right now. Try activating Windows later. If this issue persists, contact your system administrator or technical support department for assistance.

If you are one of them, no need to worry. Just follow the below mentioned steps:

Open "Command Prompt" under Administrative Privileges.

Enter the following in the Console Window: slmgr.vbs -ipk [PRODUCT_KEY] and then hit enter. Replace "[PRODUCT_KEY]" with your genuine Windows 8 Product Key that you received.

Once you are done with the above mentioned steps, your Windows 8 will activate with the license key. Make sure that, you are connected to the internet before activating Windows.

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About Me

Kunal Chowdhury is a Windows Platform Development MVP of Microsoft, a Telerik MVP, Nokia Developer Champion, Speaker in various Microsoft events, Author, passionate Blogger and a Software Engineer by profession.